12752405 has 8 divisors (see below), whose sum is σ = 15329184. Its totient is φ = 10184400.

The previous prime is 12752393. The next prime is 12752413. The reversal of 12752405 is 50425721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12752405 - 2¹⁰ = 12751381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (1916148).

Almost surely, 2^12752405 is an apocalyptic number.

It is an amenable number.

12752405 is a deficient number, since it is larger than the sum of its proper divisors (2576779).

12752405 is an equidigital number, since it uses as much as digits as its factorization.

12752405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 12752405 is about 3571.0509657522. The cubic root of 12752405 is about 233.6311243186.

The spelling of 12752405 in words is "twelve million, seven hundred fifty-two thousand, four hundred five".